Steel Wire Rod For Cold Heading
Steel wire rod for cold heading is a specific type of wire rod that is used as a raw material for the production of fasteners and other cold-headed components. Cold heading is a manufacturing process where metal is deformed at room temperature to create parts with high precision and strength, such as bolts, nuts, screws, and various automotive and industrial components.
Key Characteristics of Steel Wire Rod for Cold Heading:
1. Material Composition:
– The wire rod is typically made from carbon steel or alloy steel, which provides the necessary mechanical properties for cold heading.
– Common grades include low carbon steel (e.g., C1006, C1010), medium carbon steel (e.g., C1045), and alloy steels with specific alloying elements to enhance strength and toughness.
2. Diameter:
– Wire rods for cold heading usually have diameters that can range from about 5.5 mm to 12 mm, depending on the application and the specific requirements of the end product.
3. Mechanical Properties:
– The wire rod must have good tensile strength, ductility, and fatigue resistance to withstand the stresses involved in the cold heading process.
– Specific mechanical properties such as yield strength, tensile strength, and elongation are crucial for ensuring the final product meets the required specifications.
4. Surface Quality:
– The surface of the wire rod should be free from defects, such as scale, rust, and other contaminants, to ensure good performance during the cold heading process.
– Surface treatments may be applied to enhance the quality, such as pickling or coating.
5. Heat Treatment:
– Some wire rods may undergo heat treatment processes like quenching and tempering to achieve the desired hardness and strength characteristics necessary for specific applications.
6. Applications:
– Used in the production of various fasteners, including bolts, screws, nuts, and other cold-formed products in automotive, construction, and machinery sectors.
7. Production Standards:
– Manufacturers often adhere to specific industry standards and specifications (such as ASTM, SAE, or ISO) to ensure that the wire rod meets the necessary quality and performance criteria.
Conclusion
Steel wire rod for cold heading is a critical material used in the manufacturing of various fasteners and components. Its composition, mechanical properties, and surface quality are essential for ensuring that the final products perform reliably in their intended applications.
Sino Unicorn International Co., Limited supplies quality steel wire rod for cold heading of sizes and grades as below.
| Product | Size (mm) | Standard | Grade | Application |
|---|---|---|---|---|
| Steel Wire Rod For Cold Heading | Φ5.5-42.0 | GB、JIS、ASTM、DIN/EN | SWRCH6A~SWRCH22A、SWRCH20K~SWRCH50K、ML08Al、ML10~ML45、S10C~S48C、SAE1008~SAE1022、C10C、C15C、ML20MnTiB、10B21、10B21-H、10B23M、SAE10B21A、20MnB4、23MnB3、23MnB4、10B30、10B33、10B35、10B38、15B36、28B2、35B2、38B2、50BV30、51B20、15B36M、1537BH、35VB、SAE10B35A、ZT10B30、ZT10B33、ZT10B35、ZT10B38、Q10B28、Q10B35、Q10B38、20Cr、40Cr、ML20Cr、ML40Cr、SCr420(H)、SCr440(H)、17Cr3、 SCM415、SCM420、SCM435(H)、SCM440(H)、20CrMo、35CrMo、42CrMo、42CrMoS4、4140、B7、16MnCr5、20MnCr5、20CrMnTi、SWRCH18Cr2Ni2、08CrNiCu、15CrNiCu、ZTFT-8、ZTFT-9、30MnVS6、30MnVS6-M | Making fasteners of grade 4.8~12.9 |